Dams in Navajo County, Arizona
25Total Dams
12High Hazard
5Significant
Dam Safety in Navajo County, Arizona
Navajo County has 25 dams tracked in the National Inventory of Dams. Of these, 12 are classified as high hazard — meaning failure would probably cause loss of human life. Another 5 carry a significant hazard classification. Currently, 6 dams have a condition assessment of poor or unsatisfactory.
The average dam in Navajo County is 68 years old. The most common purpose is irrigation. The tallest dam is Schoens at 118 ft.
Explore more: Oldest dams in Arizona · Tallest dams · High risk dams · Largest reservoirs
Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Schoens | High | Satisfactory | 118 | Flood Risk Reduction | 1988 |
| Jaques | High | Poor | 81 | Other | 1953 |
| Cholla Fly Ash Pond | High | Satisfactory | 80 | Other | 1978 |
| Fool Hollow | High | Poor | 78 | Recreation | 1956 |
| Cholla Bottom Ash Pond | High | Satisfactory | 73 | Other | 1978 |
| Black Canyon | High | Poor | 72 | Recreation | 1964 |
| Daggs | High | Fair | 57 | Irrigation | 1919 |
| Bootleg | High | Unsatisfactory | 41 | Recreation | 1965 |
| Cooley | High | Unsatisfactory | 36 | Recreation | 1963 |
| Millett Swale | High | Poor | 35 | Flood Risk Reduction | 1958 |
| Woodland | High | Fair | 18 | Irrigation | 1914 |
| North Ponding Dam | High | Fair | 8 | Flood Risk Reduction | 1977 |
| Scott | Significant | Fair | 38 | Irrigation | 1945 |
| Trophy Lake | Significant | Satisfactory | 33 | Recreation | 1975 |
| Lakeside | Significant | Fair | 21 | Irrigation | 1904 |
| Cholla Cooling Pond | Significant | Satisfactory | 13 | Other | 1961 |
| Jacques Marsh | Significant | Satisfactory | 9 | Fish and Wildlife Pond | 1988 |
| Lone Pine | Low | Satisfactory | 98 | Flood Risk Reduction | 1936 |
| Sevenmile Tank | Low | Not Rated | 32 | Recreation | |
| Mill Pond | Low | Not Rated | 30 | Irrigation | 1996 |
| Pace Tank Dam | Low | Not Rated | 14 | Irrigation | |
| Clear Creek #2 | Low | Not Rated | 12 | Irrigation | 1986 |
| Taylor Wwtp (basins 1 & 2) | Low | Not Rated | 10 | Other | |
| Lake Of The Woods | Low | Not Rated | 10 | Fish and Wildlife Pond | 1934 |
| Clear Creek #1 | Low | Not Rated | 7 | Irrigation | 1929 |